Articles Published in Cal Lab Magazine
by Mike Zecchino and Mark Malburg Calibration labs frequently need to certify the average roughness (Ra) of calibration specimens or samples. This seemingly straightforward task, however, involves more than running a roughness gage across the […]
by Heidi Foldal Novo Nordisk, established in 1923 and headquartered in Denmark, is a global healthcare company dedicated to providing medication for chronic diseases. Our operations are managed through process management across the organizational structure, […]
by Dan Wiswell Many years ago, I worked in a building in Boston that had a plaque on an outside wall that commemorated the invention of the telephone by Alexander Graham Bell. Passing by it […]
Let me start with “I hate it!” It is okay for simple tasks, but calibration and metrology is not a simple task. Often, what we do in automation is very complex—getting into the low-level settings […]
by Michael Eckart Wireless products are everywhere. From wireless communications devices to children’s toys to military weapons systems, more and more products are using radio frequencies (RF) (100 kHz to 1 GHz) and microwaves (1 […]
by John Juroshek, C.M. Wang, George McCabe For the past five years, the Automatice RF Techniques Group (ARFTG) has conducted a measurement comparison program for vector network analyzers. The results of those measurements varies substantially, […]
by Curtis Moss & Greg Miller An RF/Microwave measurement is only as good as the connections made in that measurement. Cleanliness and careful handling of RF/Microwave coaxial connectors are critical for making repeatable and reliable […]
by Bob Angelo Rather than a step by step how to guide, the goal of this article is to provide a broad overview of the terms, instrumentation, applicable SI units, methods and just a few […]
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